800 Sums : Addition and Subtraction
800 sums: Addition and Subtraction - For mental agility and practising your arithmetic Keep your mind sharp and polish up your arithmetic with A J Jalopnik's 800 sums solution. The 800 sums solution ensures wide usage of learning styles to improve arithmetical speed, whilst presenting a challenge that can sharpen any mind.
- Paperback | 38 pages
- 139.7 x 215.9 x 2.29mm | 99.79g
- 30 May 2015
- United States
- black & white illustrations